#1
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ATI Omni Polymer Lower
Will Turners be stocking this anytime soon?
http://www.americantactical.us/4590/detail.html |
#3
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how will it hold up to regular use (twice a month, 500rds each session)
anyone have experience using all polymer lower? is the LPK all polymer too???? except for the springs obviously. Is the hammer polymer? What kind of lpk? I may try this out, for the price, it is fairly inexpensive. |
#5
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Quote:
Called Turners Pasadena, they said they don't have any but they said they have a complete carbine with that lower for 499.98. That's awful cheap for complete AR. |
#6
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Poly lowers are pretty terrible. There is not enough material around the receiver extension/rear takedown pin for the type of material being used. When they fail, they fail here. The BCG cycling into the receiver extension stresses transfers forces to the portion between the receiver extension and the take down pin and they catastrophically fail.
There is no way to solve this as the design calls for a much higher tensile material in this area. The calvary arms lower seem to be the best in this regard as they added significantly more material/reshaped above the pistol grip around the take down pin/receiver extension necessitating integrating the stock/grip. A polymer lower might be cool to mess around with in making a lightweight plinking toy but I wouldn't use it for anything serious or on a gun that will see any sort of high round count. |
#7
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Quote:
__________________
I'm forever blowing bubbles, Pretty bubbles in the air, They fly so high, Nearly reach the sky |
#8
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[QUOTE=DirtyLaundry;9547411]Poly lowers are pretty terrible. There is not enough material around the receiver extension/rear takedown pin for the type of material being used. When they fail, they fail here. The BCG cycling into the receiver extension stresses transfers forces to the portion between the receiver extension and the take down pin and they catastrophically fail.
Yeah, but if it breaks you now have and AR pistol! |
#9
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That said if you're looking to build an AR15 on the cheap I see no reason to look further than a cheap forged piece from someone like PSA. PSA lowers regularly go for $80 and there's a plethora of lowers form other vendors local and online for $100 or less, iirc turners even had an off-brand lower recently on sale for $55. We're talking ounces difference in weight while being much more durable. These poly lowers are for people chasing every last ounce of weight away for either novelty or some sort of lightweight backpack gun. IMO if you're going to go that far I would go with a different platform entirely, the SU-16 comes to mind. But what do I know? I'm just a godless gun grabbing liberal. |
#10
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Yep, just have to rig some rubber bands up around the back of the BCG and don't point the back end of it anywhere near your face.
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#11
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Last time I was at Turner's they were out of the lowers and the rubber bands
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#12
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I took my delton upper today to the one in Chino Hills. The manager tried mounting my upper onto that lower and it wouldn't close. He struggled and looked puzzled and pissed. Then he got another lower, an aluminum one this time and snapped my upper easily onto it. He grunted and seemed pissed at the fact that he helped me and I let him realize that the ATI lower they have is garbage. I think he was embarrassed because other people were observing us as he tried to mount my upper but couldn't. He probably got mad at me for making that lower look like crap and possibly his store. I was polite and all too because he let me mount my upper first before deciding to buy it but after witnessing for myself that it wasn't working I just walked away :/
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#13
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went to turners today Checked out the M&P Lower. That thing weighs Nothing. decided to buy it. Going to skip all the Polymer stuff for now. Maybe in the future ill build an ar made mostly of polymer. but for now i'll stick with aluminum for lightweight lowers.
__________________
I'm forever blowing bubbles, Pretty bubbles in the air, They fly so high, Nearly reach the sky |
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